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<?php |
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/* |
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* This file is part of the Purl package, a project by Jonathan H. Wage. |
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* |
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* (c) 2013 Jonathan H. Wage |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Purl; |
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/** |
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* AbstractPart class is implemented by each part of a Url where necessary. |
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* |
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* @author Jonathan H. Wage <[email protected]> |
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* @implements ArrayAccess |
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*/ |
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abstract class AbstractPart implements \ArrayAccess |
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{ |
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/** |
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* Flag for whether or not this part has been initialized. |
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* |
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* @var boolean |
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*/ |
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protected $initialized = false; |
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/** |
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* Array of data for this part. |
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* |
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* @var array |
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*/ |
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protected $data = []; |
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/** |
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* Array mapping part names to classes. |
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* |
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* @var array |
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*/ |
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protected $partClassMap = []; |
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/** |
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* Gets the data for this part. This method will initialize the part if it is not already initialized. |
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* |
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* @return array |
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*/ |
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public function getData(): array |
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{ |
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$this->initialize(); |
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return $this->data; |
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} |
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/** |
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* Sets the data for this part. This method will initialize the part if it is not already initialized. |
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* |
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* @param array $data |
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* |
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* @return $this |
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*/ |
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public function setData(array $data) |
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{ |
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$this->initialize(); |
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$this->data = $data; |
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foreach ($data as $key => $value) { |
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if (empty($value) && $value !== '0') { |
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unset($this->data[$key]); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Check if this part has been initialized yet. |
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* |
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* @return boolean |
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*/ |
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public function isInitialized(): bool |
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{ |
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return $this->initialized; |
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} |
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/** |
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* Check if this part has data by key. |
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* |
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* @param string $key |
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* |
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* @return boolean |
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*/ |
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public function has($key): bool |
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{ |
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$this->initialize(); |
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return isset($this->data[$key]); |
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} |
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/** |
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* Gets data from this part by key. |
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* |
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* @param string $key |
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* |
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* @return mixed|null |
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*/ |
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public function get($key) |
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{ |
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$this->initialize(); |
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return $this->data[$key] ?? null; |
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} |
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/** |
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* Set data for this part by key. |
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* |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return static |
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*/ |
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public function set($key, $value) |
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{ |
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$this->initialize(); |
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$this->data[$key] = $value; |
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return $this; |
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} |
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/** |
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* Add data for this part. |
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* |
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* @param mixed $value |
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* |
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* @return $this |
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*/ |
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public function add($value) |
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{ |
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$this->initialize(); |
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$this->data[] = $value; |
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return $this; |
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} |
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/** |
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* Remove data from this part by key. |
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* |
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* @param $key |
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*/ |
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public function remove($key) |
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{ |
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$this->initialize(); |
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unset($this->data[$key]); |
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} |
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/** Property Overloading */ |
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/** |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function __isset($key) |
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{ |
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return $this->has($key); |
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} |
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/** |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function __get($key) |
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{ |
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return $this->get($key); |
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} |
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/** |
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* @param $key |
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* @param $value |
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* |
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* @return AbstractPart |
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*/ |
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public function __set($key, $value) |
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{ |
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return $this->set($key, $value); |
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} |
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/** |
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* @param $key |
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*/ |
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public function __unset($key) |
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{ |
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return $this->remove($key); |
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} |
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/** ArrayAccess */ |
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/** |
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* @param mixed $key |
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* |
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* @return bool |
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*/ |
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public function offsetExists($key): bool |
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{ |
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$this->initialize(); |
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return isset($this->data[$key]); |
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} |
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/** |
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* @param mixed $key |
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* |
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* @return bool |
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*/ |
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public function offsetGet($key): bool |
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{ |
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return $this->get($key); |
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} |
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/** |
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* @param mixed $key |
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* @param mixed $value |
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* |
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* @return AbstractPart |
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*/ |
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public function offsetSet($key, $value): AbstractPart |
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{ |
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return $this->set($key, $value); |
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} |
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/** |
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* @param mixed $key |
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*/ |
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public function offsetUnset($key) |
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{ |
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return $this->remove($key); |
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} |
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protected function initialize() |
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{ |
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if ($this->initialized === true) { |
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return; |
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} |
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$this->initialized = true; |
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$this->doInitialize(); |
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} |
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/** |
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* Prepare a part value. |
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* |
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* @param string $key |
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* @param string|static $value |
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* |
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* @return static |
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*/ |
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protected function preparePartValue($key, &$value) |
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{ |
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if (!isset($this->partClassMap[$key])) { |
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return $value; |
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} |
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$className = $this->partClassMap[$key]; |
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return !$value instanceof $className ? new $className($value) : $value; |
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} |
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/** |
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* Convert the instance back in to string form from the internal parts. |
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* |
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* @return string |
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*/ |
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abstract public function __toString(); |
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/** |
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* Each part that extends AbstractPart must implement an doInitialize() method. |
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* |
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* @return void |
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*/ |
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abstract protected function doInitialize(); |
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} |
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